APA (7th ed.) Citation

Graunt, J., & Willcox, W. F. (1939). Natural and political observations made upon the bills of mortality. The Johns Hopkins press.

Chicago Style (17th ed.) Citation

Graunt, John, and Walter F. Willcox. Natural and Political Observations Made upon the Bills of Mortality. Baltimore: The Johns Hopkins press, 1939.

MLA (9th ed.) Citation

Graunt, John, and Walter F. Willcox. Natural and Political Observations Made upon the Bills of Mortality. The Johns Hopkins press, 1939.